From MLB Power Pros Wiki

Description

Toothache is a negative status in Success Mode. It is acquired as a starting stat, or by using items (such as the chocolate sponge cake), or through random events.

It is known as Tooth Decay in Success Mode 2007.

Effect

This condition will substantially reduce the amount of experience points gained during practice and in games.

Cure

Toothache can be cured by a visit to the hospital, or by Dr Goodjob.